diff --git a/ruoyi-ui/src/assets/styles/sidebar.scss b/ruoyi-ui/src/assets/styles/sidebar.scss
index 419e374cb..6c4f47d87 100644
--- a/ruoyi-ui/src/assets/styles/sidebar.scss
+++ b/ruoyi-ui/src/assets/styles/sidebar.scss
@@ -74,6 +74,8 @@
       overflow: hidden !important;
       text-overflow: ellipsis !important;
       white-space: nowrap !important;
+      height: 44px !important;
+      line-height: 44px !important;
     }
 
     // menu hover
@@ -105,6 +107,96 @@
         background-color: $base-sub-menu-hover !important;
       }
     }
+
+    // theme-dark 深色主题
+    &.theme-dark {
+      box-shadow: 2px 0 8px rgba(0, 0, 0, 0.4);
+      border-right: none;
+
+      .el-menu-item.is-active {
+        position: relative;
+
+        &::before {
+          content: '';
+          position: absolute;
+          inset: 0;
+          background-color: var(--current-color-dark-bg, rgba(64, 158, 255, 0.2));
+          border-right: 3px solid var(--current-color, #409eff);
+          pointer-events: none;
+          z-index: 1;
+        }
+      }
+
+      .el-submenu.is-active > .el-submenu__title {
+        color: var(--current-color, #409eff) !important;
+      }
+
+      .el-menu-item:not(.is-active),
+      .submenu-title-noDropdown,
+      .el-submenu__title {
+        position: relative;
+
+        &::before {
+          content: '';
+          position: absolute;
+          inset: 0;
+          background-color: transparent;
+          pointer-events: none;
+          z-index: 1;
+          transition: background-color 0.2s;
+        }
+
+        &:hover::before {
+          background-color: var(--current-color-dark-bg, rgba(64, 158, 255, 0.2));
+        }
+      }
+    }
+    
+    // theme-light 浅色主题
+    &.theme-light {
+      border-right: 1px solid #e8eaf0;
+      box-shadow: none;
+
+      .el-menu-item,
+      .el-submenu__title {
+        color: rgba(0, 0, 0, 0.65);
+      }
+
+      .el-menu-item.is-active {
+        color: var(--current-color, #409eff) !important;
+        position: relative;
+
+        &::before {
+          content: '';
+          position: absolute;
+          inset: 0;
+          background-color: var(--current-color-light, #ecf5ff);
+          border-right: 3px solid var(--current-color, #409eff);
+          pointer-events: none;
+          z-index: 1;
+        }
+      }
+
+      .el-submenu.is-active > .el-submenu__title {
+        color: var(--current-color, #409eff) !important;
+      }
+
+      .el-menu-item:not(.is-active):hover,
+      .submenu-title-noDropdown:hover,
+      .el-submenu__title:hover {
+        background-color: #f5f7fa !important;
+        color: rgba(0, 0, 0, 0.85) !important;
+      }
+
+      .nest-menu .el-submenu > .el-submenu__title,
+      .el-submenu .el-menu-item {
+        background-color: #fafafa !important;
+
+        &:hover {
+          background-color: #f0f5ff !important;
+        }
+      }
+    }
   }
 
   .hideSidebar {
diff --git a/ruoyi-ui/src/assets/styles/variables.scss b/ruoyi-ui/src/assets/styles/variables.scss
index 8715dc783..629200652 100644
--- a/ruoyi-ui/src/assets/styles/variables.scss
+++ b/ruoyi-ui/src/assets/styles/variables.scss
@@ -9,32 +9,17 @@ $yellow:#FEC171;
 $panGreen: #30B08F;
 
 // 默认菜单主题风格
-$base-menu-color:#bfcbd9;
-$base-menu-color-active:#f4f4f5;
-$base-menu-background:#304156;
+$base-menu-color: #bfcbd9;
+$base-menu-color-active: #ffffff;
+$base-menu-background: #1a1f2e;
 $base-logo-title-color: #ffffff;
 
 $base-menu-light-color:rgba(0,0,0,.70);
 $base-menu-light-background:#ffffff;
 $base-logo-light-title-color: #001529;
 
-$base-sub-menu-background:#1f2d3d;
-$base-sub-menu-hover:#001528;
-
-// 自定义暗色菜单风格
-/**
-$base-menu-color:hsla(0,0%,100%,.65);
-$base-menu-color-active:#fff;
-$base-menu-background:#001529;
-$base-logo-title-color: #ffffff;
-
-$base-menu-light-color:rgba(0,0,0,.70);
-$base-menu-light-background:#ffffff;
-$base-logo-light-title-color: #001529;
-
-$base-sub-menu-background:#000c17;
-$base-sub-menu-hover:#001528;
-*/
+$base-sub-menu-background: #141824;
+$base-sub-menu-hover: rgba(255,255,255,.06);
 
 $base-sidebar-width: 200px;
 
diff --git a/ruoyi-ui/src/layout/components/Sidebar/index.vue b/ruoyi-ui/src/layout/components/Sidebar/index.vue
index b61f0a495..f954bf33f 100644
--- a/ruoyi-ui/src/layout/components/Sidebar/index.vue
+++ b/ruoyi-ui/src/layout/components/Sidebar/index.vue
@@ -1,5 +1,5 @@
 <template>
-    <div :class="{'has-logo':showLogo}" :style="{ backgroundColor: settings.sideTheme === 'theme-dark' ? variables.menuBackground : variables.menuLightBackground }">
+    <div :class="['sidebar-theme-wrapper', {'has-logo':showLogo}, settings.sideTheme]" :style="{ backgroundColor: settings.sideTheme === 'theme-dark' ? variables.menuBackground : variables.menuLightBackground }">
         <logo v-if="showLogo" :collapse="isCollapse" />
         <el-scrollbar :class="settings.sideTheme" wrap-class="scrollbar-wrapper">
             <el-menu
diff --git a/ruoyi-ui/src/layout/index.vue b/ruoyi-ui/src/layout/index.vue
index 4ce77c400..64f44c435 100644
--- a/ruoyi-ui/src/layout/index.vue
+++ b/ruoyi-ui/src/layout/index.vue
@@ -1,5 +1,5 @@
 <template>
-  <div :class="classObj" class="app-wrapper" :style="{'--current-color': theme}">
+  <div :class="classObj" class="app-wrapper" :style="{'--current-color': theme, '--current-color-light': theme + '1a', '--current-color-dark-bg': theme + '33'}">
     <div v-if="device==='mobile'&&sidebar.opened" class="drawer-bg" @click="handleClickOutside"/>
     <sidebar v-if="!sidebar.hide" class="sidebar-container"/>
     <div :class="{hasTagsView:needTagsView,sidebarHide:sidebar.hide}" class="main-container">